John Masterson
SIDE_JUDGE · MACside_judge · MAC · 45 games since 2022
Worked M-OH 34–14 AKR in week 7.
Games since '22Games since '22
456 in 20266 in 2026
Flags / g 2026Flags / g · 2026
12.2— · LG 12.7— pctl · league 12.7
Acc. yds / gAcc. yds / g
108LG 111League 111
Judgment shareJudgment share
51%LG 60%League 60%
Home cookingHome cooking · raw
+1.9Raw · under 8 GNo read under 8 games
Late whistleLate whistle
—Under 8 gamesUnder 8 games
Game lengthGame length
3:18LG 3:24League 3:24
Flag profile
Per game · | = leagueJ = judgment · P = procedural · + 0.1 other / g · Career, 44 G
Leans
Flags over expected / g0 LEANS IN 40 SPLITS · ~2 EXPECTED BY LUCK · + = OPPONENT FLAGGED MORE
Crew history
45 gamesYear | Crew · position | G | Flags/g |
|---|---|---|---|
| 2026 | MAC · side_judge | 6 | 12.2 |
| 2025 | MAC · side_judge | 11 | 10.5 |
| 2024 | MAC · side_judge | 11 | 10.8 |
| 2023 | MAC · side_judge | 9 | 9.8 |
| 2022 | MAC · side_judge | 8 | 12.1 |
Replay reviews
Since 2025 · 17 GReviews, 0.9/g
Overturned · 3
Of replay
Longest: ≈ 2:43, incomplete pass upheld · 2026 wk 5, Ohio at
Kent State
■ Overturned · review time = gap to next snap − game median
Flags / g = accepted penalties, games worked · Late whistle = 4th-q one-score judgment flags / play ÷ rest of game
Flags / g = accepted penalties · Home cooking = FOE on visitor − FOE on home, judgment flags only · Late whistle = 4th-q one-score judgment flags / play ÷ rest of game
Lean = pooled estimate whose 90% interval misses 0 with ≥ 8 G · shrunk toward 0 · judgment flags only · permutation luck check, 1,000 shuffles
Lean = pooled estimate whose 90% interval misses 0 with ≥ 8 G · shrunk toward 0 · luck check = 1,000 shuffles · source: school box scores · Updated Fri 10:05 AM ET
Source: school box scores · Updated Fri 10:05 AM ET